我正在尝试使用 Libgdx Scene2dui 库并想要捕捉鼠标触地事件。我有一个自定义 Actor 和一个实例化 Actor 实例并尝试侦听触摸事件的对话框。由于某种原因,触摸事件没有被捕获。
public class MMADialog136WhiteCanvasActor extends Actor {
public MMADialog136WhiteCanvasActor () {
super();
setWidth(256);
setHeight(256);
setBounds(0, 0, getWidth(), getHeight());
mMyRenderer = new ImmediateModeRenderer10();
}
@Override
public Actor hit(float arg0, float arg1, boolean flag) {
return null;
}
@Override
public void draw(SpriteBatch batch, float arg1) {
batch.end();
Vector3 pos0 = new Vector3(1,1,0);
Vector3 pos1 = new Vector3(100,100,0);
mMyRenderer.begin(GL10.GL_LINES);
mMyRenderer.color(mColor.r,mColor.g,mColor.b,mColor.a);
mMyRenderer.vertex(pos0);
mMyRenderer.vertex(pos1);
mMyRenderer.end();
batch.begin();
}
private ImmediateModeRenderer10 mMyRenderer;
private Color mColor = MMAColor.MMAWHITE;
}
和 Actor 实例侦听器...
mWhiteCanvas.addListener(new InputListener() {
public boolean touchDown (InputEvent event, float x, float y, int pointer, int button) {
System.out.println("x,y" + x + "," + y);
return true;
}
});
知道为什么 InputListener 没有捕捉到事件吗?
我最初的想法是Actor绘制空间需要边界,所以我根据预定义的width=256和height=256添加了setBounds(),但这没有效果。